Portion of a shoe upper



FIG. 1 is a perspective view of a portion of a shoe upper showing our new design;

FIG. 2 a side elevational view of one side thereof;

FIG. 3 is a side elevational view of the other side thereof;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a front elevational view thereof.

The uneven broken line showing of the remainder of the shoe is for illustrative purposes only and forms no part of the claimed design. The depicted contrast in shading represents a contrast in appearance via color, texture, and/or material. 

The ornamental design for a portion of a shoe upper, as shown and described. 